I do have some entries that do not have both the First and Last name fields, but they were able to sync fine. I don't recall when was the last time it was syncing nicely. I've only discovered this recently when trying to add 2 new entries from Outlook that have both First and Last name fields.

Working with this too. Latest OS - Latest DM. Only PIM doesn't work. Email and voice are fine. Tried on multiple machines. Removed and re-added to BES and even moved customer's mailbox to a different MX.

This device is a Sprint 8830, but several TMO 8820's that my customers are getting are having the same issue. No PIM.